"In a classical way, a new obligation results from the acceptance of an offer. Moreover, the sovereign equality of states is repugnant to the idea that one of them could impose legal obligations on the others absent their consent and this will indeed be tantamount to an imperial legal order and it is completely alien to the fundamentals of the international legal order however why would it not be possible for a state to bind itself vis-a-vis other states by its own will. If imposing obligation on others without their consent is impossible what about imposing obligations on oneself through what can be called a uniliteral act well.  That issue arose in the nuclear test cases. A dispute between Australia and New Zeland, on the one hand and France on the other hand, was decided in 1974. At a time, France was still conducting atmospheric tests of nuclear weapons in the South Pacific Ocean. ... "